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COBOL's enduring dominance
  • Oct 6, 2025

COBOL's enduring dominance

An estimated 220 billion to 800 billion lines of COBOL code remain in active use across global enterprises. Over 80% of organizations anticipate these systems will outlast their current workforce. COBOL Colleague transforms the workforce crisis into an opportunity by preserving the business intelligence embedded in your code—creating a permanent knowledge base that outlasts any individual developer.

Extracting and explaining business functions from COBOL
  • Aug 16, 2025

Extracting and explaining business functions from COBOL

Your COBOL systems support the most critical objectives of your business. Phase Change Software LLC's COBOL Colleague captures institutional knowledge automatically by slicing your code to reveal complete business functions—every derivation, condition, and dependency that influences each output field. Instead of spending months documenting systems, our AI extracts […]

How COBOL Code can benefit from machine learning insight
  • Oct 24, 2022

How COBOL Code can benefit from machine learning insight

Most dev tools are not yet capable of identifying the specific lines of code that need to be changed, and unearthing that information is hard cognitive work. While some tools can help improve productivity by suggesting what code to write, software developers still have to use their brains to add new features, fix bugs, implement […]

COBOL defects’ paper coauthored by Phase Change scientists wins IEEE distinguished paper award
  • Oct 6, 2021

COBOL defects’ paper coauthored by Phase Change scientists wins IEEE distinguished paper award

A technical paper co-authored by current and former Phase Change research scientists, and presented at the 2021 annual ICSME event, won a Distinguished Paper Award from the IEEE Computer Society Technical Council on Software Engineering (TCSE). The paper, “Contemporary COBOL: Developers’ Perspectives on Defects and Defect Location,” was co-authored by current Phase Change Senior Research […]

How AI can support maintenance of aging government systems
  • Jul 21, 2021

How AI can support maintenance of aging government systems

Phase Change President Steve Brothers recently authored a contributed article for Nextgov.com about how artificial intelligence (AI) tools can help governments deal with the mainframe-developers skills shortage and continue to maintain critical legacy systems. The article, How AI Can Help with Critical Government System Maintenance Needs, describes how we should change the current industry strategy […]

IEEE conference accepts paper co-authored by Phase Change scientists
  • Jul 20, 2021

IEEE conference accepts paper co-authored by Phase Change scientists

The International Conference on Software Maintenance and Evolution (ICSME) 2021 accepted a technical paper authored by current and former Phase Change research scientists for presentation at its 37th annual event in Luxembourg City, Great Duchy of Luxembourg, September 27 – October 1. The paper, “Contemporary COBOL: Developers’ Perspectives on Defects and Defect Location,” was co-authored […]